<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    // 练习：定义三个变量分别保存个人的名字，年龄，学校。然后打印在控制台<br>演示一下变量未定义的错误，和变量未赋值的情况
    var name = "duan", age = 32, school = "河池学院";
    console.log(name, age, school);
    var a = name; // 将变量name的值赋给a变量
    console.log(fjdkfjd);
</script>
</body>
</html>